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Easy generate, read, merge and print tecplot triangular grids.

Project description


Why this project is useful

  1. It helps to generate finite element triangular grid in tecplot format (.dat).

  2. It's easy to read such a grid from tecplot (.dat) file.

  3. Works for a multizone grids.

  4. Able to merge multizone grids and write them as a single grid.

The main advantage is that with tgm it's easy to read tecplot (.dat) format with multizone triangular grid inside and connect zones basing on the coordinates of the nodes.


To create a grid

from triangular_grid_merge.grid import Grid

In order to initialize the grid with elements use:

grid.init(4, 5, (0, 60), (0, 100))

The code above creates a grid with 4 points by x-axis and 5 point by y-axis. The points are distributed inside the rectangular given by the 2 points - (x1, x2) (y1, y2)

The area is devided according to the number of points by each axis.

To print the grid inside the tgm's grids directory, use

from triangular_grid_merge.tecplot import print_tecplot
print_tecplot(grid, 'name.dat')

If the grid is multizone you can print it as a single zone giving:

print_tecplot(grid, 'name.dat', merge=True)

threezones threezones

To read a grid. use

from triangular_grid_merge.tecplot import read_tecplot
read_tecplot(grid, 'name.dat')


Triangular grid is the one where each face is set by three nodes. It consists of nodes, faces and edges. grid_view

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